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A&P 1
chapter 8
| Question | Answer |
|---|---|
| The hip joint is a ball-and-socket joint. | True |
| To rise from a seated position, what action must occur at both the hip and knee joints? | Extension |
| A condylar joint allows only up-and-down motion in one plane. | False |
| What connects bones together in a cartilaginous joint? | Hyaline cartilage or fibrocartilage |
| A ball-and-socket joint is also called an ellipsoidal joint. | False |
| A fibrous joint in which an interosseous ligament binds bones is a__________. | syndesmosis |
| Fibrous joints are the first to change with age. | True |
| A joint that has bones with articulating surfaces that are both convex and concave is a saddle joint. | True |
| A synchondrosis is a cartilaginous joint. | True |
| Suppose all synarthrotic joints were fused in an individual. Which of the following would be true of this individual? | Braces would not work to straighten the person’s teeth because their teeth would not move. |
| What kind of joint is the temporomandibular joint? | Modified hinge joint |
| Greg trips over a toy and experiences a sharp pain. His physician diagnoses a torn meniscus. What joint has Greg injured? | Knee joint |
| The largest and most complex synovial joint is the___________. | knee |
| The patellar ligament connects the medial condyle of the femur to the medial condyle of the tibia. | False |
| What is the effect of activity and exercise on joints? | It keeps joints functioning longer. |
| What type of joint is immovable? | Suture |
| A suture is an example of what kind of joint? | Fibrous joint |
| When doing a push-up, the elbow joint flexes as the person lowers their body | True |
| Rotation of the forearms so the palms face upward is called pronation. | False |
| The basic structure of the knee joint permits flexion and extension. | True |
| The intermediate radioulnar joint exists between the radius and the ulna. This joint allows slight movements and flexibility between the two bones. What specific type of joint is this? | A fibrous syndesmotic joint |
| Joints are also called__________. | articulations |
| Bones of a synovial joint are held together by__________. | a joint capsule |
| Fibrocartilage discs that divide the joint into two compartments are called__________. | menisci |
| The synovial membrane reabsorbs fluid and may help remove substances from an infected joint cavity. | True |
| The type of synovial joint in which only rotation may occur is a pivot joint. | True |
| Which of the following is not a type of fibrous joint? | Symphysis |
| Turning the head to look at something over your shoulder, is an example of what type of motion? | Rotation of the head |
| In craniosynostosis, the bones of the skull fuse together at the sutures prematurely, causing the brain to grow abnormally. Why would this cause abnormal brain growth? | The sutures are amphiarthrotic and slightly move during brain growth, so the plates of the skull can easily move to suit any direction of brain growth. Fusion at the sutures will prevent this free movement. |
| Movement at a synovial joint occurs due to skeletal muscle contraction. | True |
| Which of the following joints has a radial collateral ligament? | Elbow joint |
| Moving a part away from the midline is abduction. | True |
| What is a consequence of not using a synovial joint? | ... |
| The hip joint allows a greater freedom of movement than the shoulder joint. | False |
| Which of the following is an example of a synchondrosis joint? | Between the epiphysis and diaphysis in a child |
| A professional wrestler ends a match early due to severe pain and loss of function in their lower arm and hand. a major tear is discovered in one of the ligaments of the elbow. Which of the following could be the torn ligament? | The ulnar collateral ligament |
| Which of the following are not considered to be a feature of a synovial joint? | Muscles |
| Arthritis is a circulatory problem. | False |
| The act of closing the fingers to make a fist is an example of what type of joint movement at the interphalangeal joints? | Flexion |
| The degenerative joint disease osteoarthritis may develop as a result of damage to the__________. | articular cartilage |
| job that requires them to be in a sitting position for 10 hours a day. go home and sit until they go to bed. Their joints begin to constantly feel stiff and painful. has happened to cause these symptoms? | Lack of movement results in reduced blood flow in the vessels of the synovial membrane, reducing nutrient supply to ligaments which lose elasticity. |
| Synovial fluid moistens and lubricates the cartilaginous surfaces in a joint. | True |
| Most of the joints between the short bones in the ankle and wrist are__________ joints. | plane |
| Closed, fluid-filled sacs that function as cushions are called bursae. | True |
| As you climb a tree, you put your thigh out to the side to rest your foot on a nearby branch. This thigh movement is adduction. | False |
| Which of the following is an infection? | Lyme disease |
| Supposed the ball-and-socket joint of the hip was replaced with a pivot joint in which the femur is directly planted into the acetabulum. What movement(s) is/are now the only one(s) possible? | Rotation |
| A football player suffers from a partially torn anterior cruciate ligament. Which joint has been injured? | Knee |
| Connie recently celebrated her 45th birthday. She feels okay most of the day, but in the morning, for about a half hour after she gets out of bed, all of her joints feel stiff. What is the likely cause of her stiffness? | Changes in collagen structure of the joint |
| What bones articulate to make the jaw joint? | Mandible and temporal bones |
| What does the synovial membrane secrete? | Synovial fluid |
| At the ankle joint, what movement causes the foot and toes to move farther from the shin? | Plantar flexion |
| Which of the following is not a synovial joint? | Symphysis |
| Fluid-filled sacs containing synovial fluid are called__________. | bursae |
| Moving a part away from the midline is abduction. | True |
| What is the effect of activity and exercise on joints? | It keeps joints functioning longer. |
| Supposed the ball-and-socket joint of the hip was replaced with a pivot joint in which the femur is directly planted into the acetabulum. What movement(s) is/are now the only one(s) possible? | Rotation |
| The largest and most complex synovial joint is the___________. | knee |
| Closed, fluid-filled sacs that function as cushions are called bursae. | True |
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Bbuck1
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